121215654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4201}}^1$

素因数の和:4445

約数の個数: 48

約数和(自身を含む): 301535520

約数和(自身を除く): 180319866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 229, 458, 687, 1374, 1603, 2061, 3206, 4122, 4201, 4809, 8402, 9618, 12603, 14427, 25206, 28854, 29407, 37809, 58814, 75618, 88221, 176442, 264663, 529326, 962029, 1924058, 2886087, 5772174, 6734203, 8658261, 13468406, 17316522, 20202609, 40405218, 60607827, 121215654]

約数ペア:

[(1, 121215654), (2, 60607827), (3, 40405218), (6, 20202609), (7, 17316522), (9, 13468406), (14, 8658261), (18, 6734203), (21, 5772174), (42, 2886087), (63, 1924058), (126, 962029), (229, 529326), (458, 264663), (687, 176442), (1374, 88221), (1603, 75618), (2061, 58814), (3206, 37809), (4122, 29407), (4201, 28854), (4809, 25206), (8402, 14427), (9618, 12603)]